JPS5950546U

JPS5950546U - Iron core of electrical equipment

Info

Publication number: JPS5950546U
Application number: JP14393582U
Authority: JP
Inventors: 辻　義克
Original assignee: 富士電機株式会社
Priority date: 1982-09-22
Filing date: 1982-09-22
Publication date: 1984-04-03

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図はダクトピースを不要とした通風冷却構造の回転
電機固定子鉄心の縦断面図、第２図は同上固定子鉄心を
構成する鉄心板の平面図、第３図は第２図に示す鉄心板
における通風孔が、それぞれ周方向に僅かずれた位置に
設けられた鉄心板の平面図、第４図は通風孔の設けられ
ていない鉄心板の平面図、第５図はこの考案の一実施例
である鉄心の内部を通る通風ダクトの横断面図、第６図
はこの考案あ他の実施例である鉄心の内部を通る通風ダ
クトの横断面図、第７図は第１図におけるＲ個所の拡大
縦断面図である。１．１１．２１：鉄心板、３：歯部、４１〜４６゜−１
４１〜１４６：通風孔、１５．　２５：冷媒の流通路（
通風ダクト）。Figure 1 is a vertical cross-sectional view of the stator core of a rotating electrical machine with a ventilation cooling structure that eliminates the need for duct pieces, Figure 2 is a plan view of the core plate that constitutes the same stator core, and Figure 3 is shown in Figure 2. A plan view of a core plate in which ventilation holes are provided at slightly shifted positions in the circumferential direction, Figure 4 is a plan view of a core plate without ventilation holes, and Figure 5 is an example of this invention. FIG. 6 is a cross-sectional view of a ventilation duct passing through the inside of the iron core according to an embodiment, FIG. 6 is a cross-sectional view of a ventilation duct passing through the inside of the iron core according to another embodiment of this invention, and FIG. It is an enlarged longitudinal cross-sectional view of a part. 1.11.21: Core plate, 3: Teeth, 41~46°-1
41-146: Ventilation holes, 15. 25: Refrigerant flow path (
ventilation duct).

Claims

[Scope of utility model registration request]

(1) A block is formed by stacking a plurality of iron core plates in which a plurality of holes are arranged at equal intervals in the circumferential direction and shifted in radial positions, and the blocks are stacked with the blocks shifted from each other in the circumferential direction. An iron core for an electrical device having a formed ventilation passage, the iron core plate having a plurality of types of iron core plates arranged at the same radial position but shifted in the circumferential direction to form a block, An iron core for an electrical device, characterized in that a ventilation passage is formed by stacking the blocks offset from each other in the circumferential direction.

(2) Utility Model Registration Scope of Claims In the iron core for an electrical device as set forth in claim 1, a block is formed by overlapping a plurality of iron core plates with a plurality of holes and a plurality of iron core plates without holes, respectively, and the block is An iron core for electrical equipment, characterized in that a ventilation passage is formed by laminating layers offset from each other in the circumferential direction.